I decided on a different direction, very light weight and fast. SMOS NFA (no forward assist) upper SMOS 13.625" SMR556 M-LOK hand guard Faxon Match Series 14.5" Gunner profile barrel, .223 Wylde, 1/8 twist 5R rifling, 416R VG6 Epsilon 556 p&w Sharps Rifle Company XPB Bolt Carrier Group...